Kosovar Prime Minister Isa Mustafa has said that his brother sought asylum in Germany during the summer of 2015 amid a mass migrant influx into the European Union.

The confirmation came after investigative news website Insajderi.com reported on March 19 that Ragip Mustafa had requested asylum in Germany's southwestern Rheinland-Pfalz state.

The news portal published a document showing that Ragip Mustafa applied for asylum on June 24, only days before Kosovo's prime minister was received by German Chancellor Angela Merkel in Berlin.

The prime minister said on his Facebook page on March 20 that the report was "true."

He said he was informed about the development after it occurred, and that Ragip Mustafa "requested asylum outside the country in order to seek medical assistance for a difficult disease which could not be cured in Kosovo."

About 70,000 Kosovars have applied for asylum in the EU during the past two years, making it the fourth-largest asylum-seeking national after Syria, Afghanistan, and Iraq.